diff --git a/not_nil.gemspec b/not_nil.gemspec
new file mode 100644
index 0000000..6c5a939
--- /dev/null
+++ b/not_nil.gemspec
@@ -0,0 +1,10 @@
+Gem::Specification.new do |spec|
+  spec.name        = "not_nil"
+  spec.version     = "0.0.0"
+  spec.summary     = "Add support for a not_nil type."
+  spec.files       = ["lib/not_nil.rb", "lib/not_nil/object.rb"]
+  spec.authors     = ["Payt devs"]
+  spec.email       = ["devs@paytsoftware.com"]
+  spec.homepage    = "https://github.com/payt/not_niller"
+  spec.license     = "MIT"
+end